2 # CMake Toolchain file for crosscompiling on ARM.
4 # This can be used when running cmake in the following way:
6 # cmake .. -DCMAKE_TOOLCHAIN_FILE=../cross-arm-linux-gnueabihf.cmake
9 # Target operating system name.
10 set(CMAKE_SYSTEM_NAME Linux)
11 set(CMAKE_SYSTEM_PROCESSOR aarch64)
14 set(CMAKE_C_COMPILER "aarch64-linux-gnu-gcc")
15 set(CMAKE_CXX_COMPILER "aarch64-linux-gnu-g++")
18 # Different build system distros set release optimization level to different
19 # things according to their local policy, eg, Fedora is -O2 and Ubuntu is -O3
20 # here. Actually the build system's local policy is completely unrelated to
21 # our desire for cross-build release optimization policy for code built to run
22 # on a completely different target than the build system itself.
24 # Since this goes last on the compiler commandline we have to override it to a
25 # sane value for cross-build here. Notice some gcc versions enable broken
26 # optimizations with -O3.
28 if (CMAKE_BUILD_TYPE MATCHES RELEASE OR CMAKE_BUILD_TYPE MATCHES Release OR CMAKE_BUILD_TYPE MATCHES release)
29 set(CMAKE_C_FLAGS_RELEASE ${CMAKE_C_FLAGS_RELEASE} -O2)
30 set(CMAKE_CXX_FLAGS_RELEASE ${CMAKE_CXX_FLAGS_RELEASE} -O2)
34 SET(CMAKE_C_FLAGS "-DGCC_VER=\"\\\"$(GCC_VER)\\\"\" -DARM64=1 -D__LP64__=1 -Os -g3 -fpie -mstrict-align -DOPTEE_DEV_KIT=../../../../out/arm-plat-hikey/export-ta_arm64/include -I../../../../lib/libutee/include -fPIC -ffunction-sections -fdata-sections -I../../../../core/include" CACHE STRING "" FORCE)
37 # Where to look for the target environment. (More paths can be added here)
38 set(CMAKE_FIND_ROOT_PATH "/projects/aist-tb/arm64-tc/")
40 # Adjust the default behavior of the FIND_XXX() commands:
41 # search programs in the host environment only.
42 set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
44 # Search headers and libraries in the target environment only.
45 set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
46 set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)